Rita Charitable Trust

Car Driving Test 21

Removing radiator from engine , cleaning & reversing Class Test

Welcome to your Removing radiator from engine , cleaning & reversing Class Test Hope you understand the class & now it's time to examine yourself through test. Remember you have only 10 minutes to complete the class test ,after 10 minutes Class test will be automatically submit.इंजन से रेडिएटर निकालना, सफाई करना और रिवर्स करना क्लास टेस्ट में आपका स्वागत है। आशा है कि आप क्लास को समझ गए होंगे और अब टेस्ट के माध्यम से खुद को परखने का समय आ गया है। याद रखें कि आपके पास क्लास टेस्ट पूरा करने के लिए केवल 10 मिनट हैं, 10 मिनट के बाद क्लास टेस्ट अपने आप सबमिट हो जाएगा।

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1. What is the first step before removing a radiator from a vehicle?

Remove the oil cap

Drain the coolant

Disconnect the battery

Remove the thermostat

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2. Which tool is commonly used to remove hose clamps from radiator hoses?

Flat-head screwdriver

Torque wrench

Pipe cutter

Socket extension

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3. Which component must be removed to detach the radiator from the engine bay?

Oil pan

Radiator mounting brackets

Air filter

Camshaft

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4. What must be done before disconnecting the radiator hoses?

Fill the coolant

Start the engine

Allow engine to cool

Add antifreeze

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5. Which of these fluids needs to be safely collected during radiator removal?

Engine oil

Brake fluid

Coolant

Transmission fluid

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6. If a vehicle has a transmission cooler integrated into the radiator, what extra step is needed?

Drain engine oil

Disconnect transmission cooler lines

Loosen spark plugs

Open air filter housing

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7. Radiator fans should be removed:

After removing the radiator

Only if broken

Before pulling out the radiator

Never

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8. What type of safety gear is recommended during radiator removal?

Insulated gloves

Safety goggles and gloves

Welding mask

Steel-toe boots only

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9. Why should you label hoses and connectors during removal?

To repaint them

To prevent reconnecting errors

To increase coolant flow

To boost performance

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10. What tool is most useful for loosening stuck radiator bolts?

Multimeter

Rubber mallet

Penetrating oil and socket wrench

Spark plug remover

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11. Why is radiator cleaning important?

To improve air conditioning

To prevent engine overheating

To increase tire pressure

To boost oil pressure

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12. What cleaning agent is commonly used inside radiators?

Vinegar

Radiator flush solution

Brake fluid

Engine oil

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13. External cleaning of the radiator should focus on removing:

Oil deposits

Rust

Dirt, leaves, and bugs

Spark plug debris

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14. Which part of the radiator is most vulnerable to external blockage?

Header tank

Core fins

Drain plug

Thermostat housing

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15. How is internal radiator flushing usually done?

Filling it with oil

Running water through it under pressure

Using compressed air

Pouring sand through it

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16. A clogged radiator can lead to:

Poor fuel economy

Engine misfire

Overheating and coolant overflow

Tire wear

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17. What is the purpose of backflushing a radiator?

To remove paint

To clean external fins

To dislodge internal buildup by reversing flow

To clean the engine block

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18. What should be avoided during high-pressure radiator cleaning?

Spraying water

Bending the cooling fins

Removing the radiator cap

Draining coolant

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19. Which solution is safe for dissolving mineral scale inside a radiator?

Baking soda and water

Brake cleaner

Radiator descaler

Grease

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20. After flushing and cleaning, what must be done before reinstallation?

Spray with oil

Test with compressed air

Dry and inspect for leaks

Paint the radiator

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21. What is essential when reinstalling a radiator?

Keep all hoses loose

Check for leaks after running the engine

Fill with water only

Over-tighten all bolts

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22. Coolant should be refilled:

Only after a test drive

Before reconnecting hoses

After radiator is mounted and connected

With the radiator cap off

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23. Bleeding air from the cooling system helps prevent:

Fuel leaks

Oil foaming

Airlocks and overheating

Fan belt slippage

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24. Radiator cap should be replaced if:

It's old or damaged

It doesn't look shiny

Coolant is green

Thermostat is stuck

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25. Reversing radiator flow can be done during:

Normal driving

Backflushing

Engine rebuild

Transmission flush

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26. The correct coolant mix usually contains:

100% water

100% antifreeze

50/50 water and antifreeze

Oil and coolant

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27. Overfilling the radiator or reservoir may cause:

Better cooling

No issues

Pressure buildup and overflow

Engine knock

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28. Which component should be checked after radiator reinstallation?

Fuel injectors

Engine mounts

Radiator fan operation

Brake pads

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29. Proper radiator hose routing is important to:

Increase horsepower

Ensure coolant flow and prevent kinking

Reduce emissions

Improve air conditioning

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30. Radiator leaks after reinstallation are often caused by:

Wrong spark plugs

Worn gaskets or loose clamps

Excessive coolant

. Dirty air filter

Your score is

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